Alert archive / Alabama / Tornado Warnings in 2007

Tornado Warning 88, NWS Birmingham, AL

March 1, 2007Shelby County, Alabama

NWS Birmingham, AL issued this tornado warning at Mar 1, 2007, 6:02 PM CST for Shelby County, Alabama. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 1, 2007, 6:02 PM CST (00:02 UTC)
Expired
Mar 1, 2007, 6:30 PM CST
In force
28 min
Issued by
NWS Birmingham, AL
Area
Counties, with a storm outline in the text

County Shelby County, AL

The radar

The Birmingham radar (KBMX), 13 km from the middle of the area, began a volume at 00:04 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 1, 7:28 AM CSTTornado Watch PDSSPC12 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.0 hours before the alert went out and 13 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Birmingham, AL at 00:00Z on 2007-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 785 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2007-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
785 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
627 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
127 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS54 KBMX 020002
TORBMX
ALC117-020030-
/O.NEW.KBMX.TO.W.0088.070302T0002Z-070302T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
602 PM CST THU MAR 1 2007

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
  SHELBY COUNTY IN CENTRAL ALABAMA
  THIS INCLUDES THE CITIES OF...PELHAM...HELENA...ALABASTER...OAK
  MOUNTAIN STATE PARK

* UNTIL 630 PM CST

* AT 600 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  ALABASTER...MOVING NORTHEAST AT 45 MPH.

* THE TORNADO IS WILL BE NEAR...
  OAK MOUNTAIN STATE PARK BY 610 PM CST
  CHELSEA BY 615 PM CST
  VANDIVER AND VINCENT BY 625 PM CST

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST THURSDAY EVENING
FOR EASTERN ALABAMA.

TO REPORT SEVERE WEATHER...
ON THE WEB WWW.SRH.NOAA.GOV/BMX (SUBMIT A STORM REPORT)
CALL 1-800-856-0758.

LAT...LON 3324 8695 3310 8685 3339 8638 3346 8651

$$

KSL

The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 1, 6:07 PM CSTSevere Thunderstorm WarningBMXDallas38 min
Mar 1, 6:09 PM CSTSevere Thunderstorm WarningBMXChilton51 min
Mar 1, 6:28 PM CSTSevere Thunderstorm WarningBMXTalladega47 min
Mar 1, 6:44 PM CSTSevere Thunderstorm WarningBMXCherokee46 min
Mar 1, 6:46 PM CSTSevere Thunderstorm WarningBMXBarbour44 min
Mar 1, 6:55 PM CSTSevere Thunderstorm WarningBMXCoosa50 min
Mar 1, 7:07 PM CSTSevere Thunderstorm WarningBMXClay38 min
Mar 1, 7:21 PM CSTTornado WarningBMXBarbour8 min
Mar 1, 7:28 PM CSTSevere Thunderstorm WarningBMXTallapoosa47 min
Mar 1, 7:35 PM CSTSevere Thunderstorm WarningBMXLowndes, Montgomery40 min
Mar 1, 7:40 PM CSTSevere Thunderstorm WarningBMXRandolph50 min
Mar 1, 8:05 PM CSTSevere Thunderstorm WarningBMXChambers40 min
Mar 1, 8:07 PM CSTSevere Thunderstorm WarningBMXMontgomery38 min
Mar 1, 8:15 PM CSTSevere Thunderstorm WarningBMXBullock45 min
Mar 1, 8:28 PM CSTSevere Thunderstorm WarningBMXPike32 min
Mar 1, 8:34 PM CSTTornado WarningBMXPike26 min
Mar 1, 8:47 PM CSTSevere Thunderstorm WarningBMXMacon13 min
Mar 1, 8:51 PM CSTSevere Thunderstorm WarningBMXLee, Russell39 min
Mar 1, 8:58 PM CSTSevere Thunderstorm WarningBMXBarbour47 min

Nearby

Tornado Warnings in Alabama, 2007Every tornado warning in 2007Tornadoes in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.